# SDR P5CA0200657

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2002
- Submitted: March 5, 2002
- Operation: Air carrier
- Aircraft: N853FT
- Make and model: Boeing 747122
- Aircraft serial: 19753
- Aircraft time: 84,359 hours, 21,678 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning System
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0200657

## Discrepancy

WHEN READY FOR T/O, TAKEOFF WARNING HORN SOUNDED.  ALL T/O CONDITIONS SATISFACTORY.  CYCLED ALL CONTROL SURFACES SEVERAL TIMES, CYCLED FLAPS FULL TRAVEL, EXERCISED HORIZONTAL STAB LIMIT SWITCHES, PERFORMED OPS CHECK.  ALL OPS CHECKS NORMAL ON GROUND.

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